#include<stdio.h> 

int main()
{
	int  a[] = { 1,2,3,4,5 }, i, j, s = 0;
	j = 1;
	for (i = 4; i >= 0; i--)
	{
		s = s + a[i] * j;
		j = j * 10;
	}
	printf("s=%d\n", s);



	return 0;
}